DOWNLOAD Sony HT-CT770 Service Manual ↓ Size: 5.34 MB | Pages: 74 in PDF or view online for FREE

Model
HT-CT770
Pages
74
Size
5.34 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
ht-ct770.pdf
Date

Sony HT-CT770 Service Manual ▷ View online

HT-CT770
17
2-16.  BRACKET (MAIN)  BLOCK
1 cushion (D)
cushion (D)
5 coating clip
6 Draw out the wire from the hole.
4 two screws
 (BVTP3 
u 10)
3 two screws
 (BVTP3 
u 8)
4 two screws
 (BVTP3 
u 10)
4 screw
 (BVTP3 
u 10)
3 screw
 (BVTP3 
u 8)
2 screw
 (BV/ring)
3 screw
 (BVTP3 
u 8)
7 bracket (main) block
bracket (main) block
‡:LUHsetting
7RSYieZ–
HT-CT770
18
2-17.  HDMI  BOARD
2-18.  BRACKET (POWER)  BLOCK
2 flexible flat cable (19 core)
 (FFC1)
 (CN3009)
3 connector
 (CN3005)
1 cushion (G)
4 two screws
 (BVTT3 
u 6)
5 four screws
 (B3 
u 5)
6 HDMI board
colored line
colored line
Insert is straight to the interior.
Insert is incline
flexible flat 
cable
flexible flat 
cable
connector
connector
Note: When installing the flexible flat 
 
cable, ensure the colored line.
 
No slanting after insertion.
OK
NG
1 three screws
 (BVTP3 
u 10)
3 two screws
 (BVTP3 
u 10)
2 insulation (power) block
4 bracket (power) block
1 four screws
 (BVTP3 
u 10)
HT-CT770
19
2-19.  BLUETOOTH  MODULE (BT1)
1 cushion (D)
4 flexible flat cable (14 core)
 (FFC2)
1 cushion (D)
1 cushion (D)
1 cushion (D)
1 cushion (D)
2 screw
 (BVTP3 
u 8)
5 screw
 (BVTP2.6)
6 holder (BT)
– Rear view –
3 Remove the bluetooth module block 
 
in the direction of the arrow.
7 bluetooth module
 (BT1)
rib
cushion (D)
(Center of the screw hole 
and the screw hole)
cushion (D)
(Center of the screw 
hole and the rib)
cushion (D)
(Center of the screw hole 
and the screw hole)
screw hole
screw hole
cushion (D)
(Center of the screw hole)
– Top view –
screw hole
screw hole
‡Flexible flat cable (14 core) (FFC2) setting
colored line
colored line
Insert is straight to the interior.
Insert is incline
flexible flat 
cable
flexible flat 
cable
connector
connector
Note: When installing the flexible flat 
 
cable, ensure the colored line.
 
No slanting after insertion.
OK
NG
rib
cushion (D)
(Center of the rib 
and the rib)
cushion (D)
guide line
flexible flat cable (14 core)
(FFC2)
HT-CT770
20
SECTION  3
TEST  MODE
1.  TEST  MODES  OTHER  THAN  THE  TEST  MODE  MENU
These are executable test mode even if not entering the test mode 
menu.
1-1. Cold Reset
It can initialize various backup information.
Procedure:
1.  Press the [
?/1
] button to turn the power on.
2.  Press the [
?/1
] button for ten seconds.
3.  The message “RESET” is displayed on the fl uorescent indica-
tor tube, then turn the power off.
2.  TEST  MODES  IN  THE  TEST  MODE  MENU
These are the test modes done in the test mode menu.
Setting method of the test mode menu:
1.  Press the [
?/1
] button to turn the power on.
2.  Press the two buttons of the [INPUT] and [VOL +] simultane-
ously for fi ve seconds.
3.  The message “PANEL” blinks on the fl uorescent  indicator 
tube and enter the test mode menu.
Releasing method of the test mode menu:
Press the [
?/1
] button to release the test mode menu.
2-1.  Panel Test Mode
It can confi rm the lighting of fl uorescent indicator tube and LEDs, 
operation of buttons, display of model name, destination and soft-
ware version.
Procedure:
1.  Enter the test mode menu.
 
(Refer to “Setting method of the test mode menu”) 
2.  In the state of blinking the “PANEL” on the fl uorescent indica-
tor tube, press the [INPUT] button.
3.  All segments in the fl uorescent indicator tube and all LEDs are 
lighted up.
4.  When pressing the [VOL +] button, the display on the fl uores-
cent indicator tube repeatedly changes in order from all light-
ing  → pattern 1 (lamp LED (white color) is lighted up) → 
pattern 2 (lamp LED (blue color) are lighted up).
All ligting
Pattern 1
Pattern 2
5.  In the state of step 4, press the [VOL –] button and “K 0” is 
displayed on the fl uorescent indicator tube.
 
Each time a button is pressed, “K 0” value increases. However, 
once a button is pressed, it is no longer taken into account.
 
When pressing the all buttons, “OK” and “K 5” are alternately 
displayed on the fl uorescent indicator tube.
– Continued on next page –
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